Groton - New London (United States of America) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: -2° Celsius;
Maximum daytime temperature: 6 degrees Celsius; Minimum nighttime temperature: -2 degrees Celsius; -
Maximum daytime temperature: 3° Celsius; Minimum nighttime temperature: -3° Celsius;
Maximum daytime temperature: 3 degrees Celsius; Minimum nighttime temperature: -3 degrees Celsius;
-
Maximum daytime temperature: 6° Celsius; Minimum nighttime temperature: 0° Celsius;
Maximum daytime temperature: 6 degrees Celsius; Minimum nighttime temperature: 0 degrees Celsius;
-
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius; -
Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 4° Celsius;
Maximum daytime temperature: 10 degrees Celsius; Minimum nighttime temperature: 4 degrees Celsius; -
Maximum daytime temperature: 11° Celsius; Minimum nighttime temperature: 2° Celsius;
Maximum daytime temperature: 11 degrees Celsius; Minimum nighttime temperature: 2 degrees Celsius;
-
Maximum daytime temperature: 7° Celsius; Minimum nighttime temperature: -4° Celsius;
Maximum daytime temperature: 7 degrees Celsius; Minimum nighttime temperature: -4 degrees Celsius;
Sunny changing to cloudy by early evening.
Sunrise:
Sunset:
M UV
No pollution data.
No pollen data.
7 day forecast for Groton - New London
Today (17 March 2026)
| Time |
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols |  |
|
|
|
|
|
|
|
 |
 |
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature |
4°
|
5°
|
5°
|
6°
|
6°
|
6°
|
6°
|
5°
|
4°
|
3°
|
2°
|
1°
|
1°
|
0°
|
| Feels like temperature (°C) |
-2°
|
-1°
|
0°
|
0°
|
1°
|
1°
|
1°
|
0°
|
-2°
|
-3°
|
-4°
|
-5°
|
-6°
|
-7°
|
| Wind direction and speed |
W
24
|
W
23
|
W
23
|
W
23
|
W
22
|
W
21
|
W
20
|
W
20
|
W
20
|
WNW
20
|
WNW
21
|
WNW
21
|
NW
21
|
NW
19
|
| Wind gust (mph) |
37
|
36
|
35
|
36
|
35
|
33
|
32
|
32
|
30
|
30
|
31
|
31
|
30
|
29
|
| Visibility |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
42%
|
41%
|
41%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
40%
|
41%
|
42%
|
42%
|
| UV | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Wednesday (18 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
 |
|
|
 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
0°
|
-1°
|
-1°
|
-1°
|
-1°
|
-1°
|
-2°
|
-2°
|
-2°
|
-1°
|
0°
|
0°
|
1°
|
2°
|
2°
|
2°
|
3°
|
2°
|
1°
|
0°
|
0°
|
-1°
|
-1°
|
-2°
|
| Feels like temperature (°C) |
-7°
|
-7°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-8°
|
-7°
|
-6°
|
-5°
|
-4°
|
-3°
|
-1°
|
0°
|
-1°
|
-1°
|
-2°
|
-2°
|
-3°
|
-4°
|
-4°
|
-5°
|
-6°
|
| Wind direction and speed (mph) |
NW
18
|
WNW
18
|
WNW
18
|
WNW
18
|
WNW
17
|
WNW
16
|
NW
14
|
NW
12
|
NW
12
|
NW
11
|
NW
11
|
NW
10
|
NW
8
|
NNW
5
|
WNW
3
|
SSW
6
|
SSW
9
|
SSW
9
|
SSW
8
|
SSW
6
|
SSW
6
|
S
6
|
S
7
|
S
6
|
| Wind gust (mph) |
27
|
26
|
27
|
27
|
26
|
24
|
21
|
19
|
19
|
19
|
19
|
18
|
15
|
12
|
10
|
17
|
18
|
17
|
14
|
12
|
10
|
10
|
11
|
10
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
43%
|
43%
|
42%
|
42%
|
42%
|
41%
|
40%
|
40%
|
40%
|
40%
|
39%
|
39%
|
39%
|
38%
|
38%
|
38%
|
39%
|
40%
|
40%
|
41%
|
41%
|
41%
|
41%
|
43%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 4 | 3 | 2 | 1 | 1 | 1 | - | - | - | - | - |
Thursday (19 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
-2°
|
-2°
|
-2°
|
-2°
|
-2°
|
-3°
|
-3°
|
-3°
|
-2°
|
0°
|
2°
|
3°
|
4°
|
5°
|
6°
|
6°
|
5°
|
5°
|
4°
|
3°
|
2°
|
2°
|
1°
|
1°
|
| Feels like temperature (°C) |
-6°
|
-6°
|
-6°
|
-6°
|
-5°
|
-5°
|
-5°
|
-5°
|
-4°
|
-2°
|
0°
|
1°
|
2°
|
3°
|
3°
|
3°
|
3°
|
2°
|
1°
|
0°
|
-1°
|
-2°
|
-2°
|
-3°
|
| Wind direction and speed (mph) |
S
6
|
S
6
|
S
6
|
S
5
|
SSW
5
|
SSW
4
|
SSW
3
|
S
3
|
SSE
3
|
SSE
4
|
SSE
4
|
SSE
5
|
SSE
6
|
S
6
|
S
6
|
S
7
|
SSE
7
|
SSE
8
|
SSE
7
|
SSE
8
|
SSE
8
|
SSE
8
|
S
8
|
S
8
|
| Wind gust (mph) |
10
|
10
|
9
|
8
|
7
|
6
|
6
|
6
|
8
|
9
|
11
|
12
|
13
|
14
|
15
|
15
|
14
|
13
|
13
|
12
|
12
|
12
|
12
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
48%
|
50%
|
52%
|
53%
|
53%
|
54%
|
54%
|
54%
|
55%
|
55%
|
55%
|
55%
|
54%
|
53%
|
53%
|
54%
|
56%
|
59%
|
64%
|
66%
|
68%
|
72%
|
74%
|
76%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Friday (20 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
21:00
|
22:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
<5%
|
<5%
|
<5%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
1°
|
3°
|
5°
|
6°
|
8°
|
9°
|
9°
|
9°
|
9°
|
9°
|
8°
|
7°
|
6°
|
5°
|
5°
|
4°
|
| Feels like temperature (°C) |
-3°
|
-3°
|
-2°
|
-2°
|
-2°
|
-3°
|
-2°
|
-2°
|
-2°
|
0°
|
2°
|
4°
|
5°
|
7°
|
7°
|
7°
|
7°
|
7°
|
6°
|
5°
|
3°
|
2°
|
1°
|
1°
|
| Wind direction and speed (mph) |
S
8
|
SSW
8
|
SSW
7
|
SW
7
|
SW
7
|
SW
8
|
WSW
7
|
WSW
7
|
WSW
7
|
WSW
7
|
W
7
|
W
7
|
W
7
|
WSW
8
|
WSW
8
|
WSW
8
|
WSW
8
|
SW
8
|
SW
8
|
SSW
8
|
SSW
9
|
SSW
9
|
SSW
10
|
SSW
9
|
| Wind gust (mph) |
12
|
11
|
10
|
11
|
12
|
11
|
11
|
11
|
12
|
14
|
13
|
14
|
15
|
15
|
16
|
16
|
16
|
14
|
13
|
13
|
14
|
14
|
13
|
12
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
81%
|
82%
|
83%
|
83%
|
85%
|
86%
|
87%
|
87%
|
85%
|
83%
|
81%
|
78%
|
78%
|
77%
|
75%
|
74%
|
73%
|
75%
|
75%
|
78%
|
78%
|
78%
|
79%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 5 | 4 | 3 | 2 | 1 | 1 | - | - | - | - | - |
Saturday (21 March 2026)
| Time |
00:00
|
01:00
|
02:00
|
03:00
|
04:00
|
05:00
|
06:00
|
07:00
|
08:00
|
09:00
|
10:00
|
11:00
|
12:00
|
13:00
|
14:00
|
15:00
|
16:00
|
17:00
|
18:00
|
19:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Chance of precipitation |
<5%
|
<5%
|
<5%
|
10%
|
20%
|
10%
|
20%
|
10%
|
10%
|
10%
|
20%
|
10%
|
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
10%
|
10%
|
10%
|
20%
|
| Temperature (°C) |
4°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
3°
|
4°
|
5°
|
6°
|
7°
|
7°
|
8°
|
9°
|
9°
|
9°
|
8°
|
8°
|
7°
|
6°
|
5°
|
| Feels like temperature (°C) |
1°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
0°
|
1°
|
2°
|
3°
|
4°
|
5°
|
6°
|
6°
|
6°
|
6°
|
5°
|
4°
|
3°
|
1°
|
| Wind direction and speed (mph) |
SSW
8
|
SSW
8
|
SSW
8
|
SSW
7
|
SSW
8
|
SSW
8
|
S
8
|
S
9
|
SSW
9
|
SSW
10
|
SW
11
|
SW
11
|
SW
11
|
SW
12
|
SW
12
|
SW
12
|
WSW
11
|
WSW
11
|
SW
11
|
SSW
11
|
SSW
11
|
SW
11
|
| Wind gust (mph) |
11
|
11
|
12
|
12
|
12
|
13
|
13
|
14
|
15
|
16
|
18
|
19
|
21
|
21
|
21
|
20
|
19
|
19
|
18
|
19
|
20
|
17
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
78%
|
81%
|
81%
|
83%
|
85%
|
84%
|
85%
|
87%
|
88%
|
88%
|
87%
|
84%
|
82%
|
80%
|
78%
|
75%
|
75%
|
76%
|
78%
|
80%
|
83%
|
80%
|
| UV | - | - | - | - | - | - | 1 | 1 | 1 | 1 | 2 | 2 | 4 | 4 | 4 | 2 | 1 | 1 | 1 | 1 | - | - |
Sunday (22 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
20%
|
10%
|
10%
|
20%
|
10%
|
20%
|
20%
|
| Temperature (°C) |
5°
|
5°
|
6°
|
8°
|
10°
|
8°
|
6°
|
4°
|
| Feels like temperature (°C) |
2°
|
1°
|
2°
|
5°
|
8°
|
5°
|
2°
|
0°
|
| Wind direction and speed (mph) |
WSW
10
|
W
12
|
WSW
11
|
W
13
|
W
13
|
WSW
13
|
WNW
13
|
NW
12
|
| Wind gust (mph) |
18
|
19
|
22
|
25
|
25
|
25
|
22
|
22
|
| Visibility (description) |
VG
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
85%
|
87%
|
91%
|
83%
|
74%
|
72%
|
68%
|
69%
|
| UV | - | - | 1 | 4 | 4 | 1 | - | - |
Monday (23 March 2026)
| Time |
02:00
|
05:00
|
08:00
|
11:00
|
14:00
|
17:00
|
20:00
|
23:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
10%
|
10%
|
20%
|
10%
|
<5%
|
<5%
|
<5%
|
<5%
|
| Temperature (°C) |
4°
|
3°
|
2°
|
4°
|
6°
|
6°
|
3°
|
0°
|
| Feels like temperature (°C) |
0°
|
-1°
|
-3°
|
0°
|
2°
|
1°
|
-2°
|
-5°
|
| Wind direction and speed (mph) |
NW
13
|
NNW
14
|
NW
15
|
NW
16
|
NW
16
|
NW
16
|
NNW
14
|
NNW
14
|
| Wind gust (mph) |
23
|
24
|
26
|
29
|
30
|
29
|
25
|
24
|
| Visibility (description) |
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
| Humidity |
70%
|
60%
|
58%
|
50%
|
43%
|
44%
|
46%
|
49%
|
| UV | - | - | 1 | 4 | 4 | 1 | - | - |
Tooltip header
UK video forecast
weather map
Forecast
Forecast for 11am (UTC-4) Tuesday
Updated 12:25 (UTC) on Tue 17 Mar 2026
Loading map...